規則原理

如圖

判斷游戲結束

• chessData.h

//row,col 表示當前落子 bool checkWin(ChessData* game, int row, int col);

• 橫、豎、斜（斜有兩種）共四種情況，每種情況根據當前落子往后遍歷5個子，有一種符合就勝利
• chessData.cpp

bool checkWin(ChessData* game, int row, int col){//橫for(int i = 0; i < 5; i++){if(col - i >= 0 &&col - i + 4 < BOARD_GRAD_SIZE &&game->chessMap[row][col-i] == game->chessMap[row][col-i+1] &&game->chessMap[row][col-i] == game->chessMap[row][col-i+2] &&game->chessMap[row][col-i] == game->chessMap[row][col-i+3] &&game->chessMap[row][col-i] == game->chessMap[row][col-i+4]){return true;}}//豎for(int i = 0; i < 5; i++){if(row - i >= 0 &&row - i + 4 < BOARD_GRAD_SIZE &&game->chessMap[row-i][col] == game->chessMap[row-i+1][col] &&game->chessMap[row-i][col] == game->chessMap[row-i+2][col] &&game->chessMap[row-i][col] == game->chessMap[row-i+3][col] &&game->chessMap[row-i][col] == game->chessMap[row-i+4][col]){return true;}}// “/”方向for(int i = 0; i < 5; i++){if(row + i < BOARD_GRAD_SIZE &&row + i - 4 >= 0 &&col - i >= 0 &&col - i + 4 < BOARD_GRAD_SIZE &&game->chessMap[row+i][col-i] == game->chessMap[row+i-1][col-i+1] &&game->chessMap[row+i][col-i] == game->chessMap[row+i-2][col-i+2] &&game->chessMap[row+i][col-i] == game->chessMap[row+i-3][col-i+3] &&game->chessMap[row+i][col-i] == game->chessMap[row+i-4][col-i+4]){return true;}}// “\”方向for(int i = 0; i < 5; i++){if(row - i >= 0 &&row - i - 4 < BOARD_GRAD_SIZE &&col - i >= 0 &&col - i + 4 < BOARD_GRAD_SIZE &&game->chessMap[row-i][col-i] == game->chessMap[row-i+1][col-i+1] &&game->chessMap[row-i][col-i] == game->chessMap[row-i+2][col-i+2] &&game->chessMap[row-i][col-i] == game->chessMap[row-i+3][col-i+3] &&game->chessMap[row-i][col-i] == game->chessMap[row-i+4][col-i+4]){return true;}}return false;}

調用接口

• main.cpp

#include <stdio.h> bool checkOver(){if(checkWin(&game, clickPosRow, clickPosCol)){Sleep(1500);if(game.playFlag = false){//黑棋勝利，此時標記已經轉為白棋落子mciSendString("play res/不錯.mp3", 0, 0, 0);loadimage(0, "res/勝利.jpg");score += 100; //更新分數}else{mciSendString("play res/失敗.mp3", 0, 0, 0);loadimage(0, "res/失敗.jpg");score -= 100; //同理}//用于顯示分數char scoreText[64];sprintf(scoreText, "當前分數：%d", score);outtextxy(310, 800, scoreText);//記錄分數FILE* fp = fopen("score.data", "wb");fwrite(&score, sizeof(score), 1, fp);fclose(fp);getch();return true;}return false;}

顯示分數

• main.cpp

#define INIT_SCORE 1000 int score; //全局變量 void initScore(){//分數字體設置settextcolor(WHITE); //colorsettextstyle(50, 0, "微軟雅黑"); //styleFILE *fp = fopen("score.data", "rb");if(fp == NULL){score = INIT_SCORE;}else{fread(&score, sizeof(score), 1, fp);}if (fp)fclose(fp);}

• 然后在main.cpp文件的 init() 函數定義中 繼續 添加代碼

initScore(); //這一行添加到init()函數定義中

結束

到這里五子棋的全部功能已經實現了，但是你會發現程序無法運行。這是理所當然的，因為我們的main函數還沒有寫，在下一篇文章（也就是本項目的最后一章）我們將完善main函數并做該項目的總結。

總結

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